diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0872-drm-amdgpu-fix-moved-list-handling-in-the-VM.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0872-drm-amdgpu-fix-moved-list-handling-in-the-VM.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0872-drm-amdgpu-fix-moved-list-handling-in-the-VM.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0872-drm-amdgpu-fix-moved-list-handling-in-the-VM.patch new file mode 100644 index 00000000..2158176a --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0872-drm-amdgpu-fix-moved-list-handling-in-the-VM.patch @@ -0,0 +1,55 @@ +From f9b3f5bae976532f228924530e8a176ca62ebc0e Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com> +Date: Fri, 1 Sep 2017 14:46:19 +0200 +Subject: [PATCH 0872/4131] drm/amdgpu: fix moved list handling in the VM +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Only move BOs to the moved/relocated list when they aren't already on a list. + +This prevents accidential removal from the evicted list. + +Signed-off-by: Christian König <christian.koenig@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 9 ++++++--- + 1 file changed, 6 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +index a4f12e5..0c1cbb9 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +@@ -1178,7 +1178,8 @@ static void amdgpu_vm_invalidate_level(struct amdgpu_vm *vm, + + entry->addr = ~0ULL; + spin_lock(&vm->status_lock); +- list_move(&entry->base.vm_status, &vm->relocated); ++ if (list_empty(&entry->base.vm_status)) ++ list_add(&entry->base.vm_status, &vm->relocated); + spin_unlock(&vm->status_lock); + amdgpu_vm_invalidate_level(vm, entry); + } +@@ -2108,7 +2109,8 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev, + + if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv) { + spin_lock(&vm->status_lock); +- list_move(&bo_va->base.vm_status, &vm->moved); ++ if (list_empty(&bo_va->base.vm_status)) ++ list_add(&bo_va->base.vm_status, &vm->moved); + spin_unlock(&vm->status_lock); + } + trace_amdgpu_vm_bo_map(bo_va, mapping); +@@ -2463,7 +2465,8 @@ void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, + } + + spin_lock(&bo_base->vm->status_lock); +- list_move(&bo_base->vm_status, &bo_base->vm->moved); ++ if (list_empty(&bo_base->vm_status)) ++ list_add(&bo_base->vm_status, &vm->moved); + spin_unlock(&bo_base->vm->status_lock); + } + } +-- +2.7.4 + |